Home / 130,341.56-179,871.24-70,725.56

Finding the Fourth Proportional to 130,341.56, 179,871.24 and 70,725.56

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Solution

The fourth proportional to 130,341.56, 179,871.24 and 70,725.56 is: 97,601.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,341.56 : 179,871.24 = 70,725.56 : x
  2. Step 2: Convert to fraction form
    130,341.56/179,871.24 = 70,725.56/x
  3. Step 3: Cross multiply
    130,341.56x = 179,871.24 × 70,725.56
  4. Step 4: Simplify right side
    130,341.56x = 12,721,494,176.89
  5. Step 5: Solve for x
    x = 12,721,494,176.89/130,341.56
  6. Step 6: Final answer
    x = 97,601.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.